Company Filing History:
Years Active: 1983
Title: Inventor Spotlight: Mitsumasa Nagahisa
Introduction
Mitsumasa Nagahisa, an innovative inventor based in Kimitsu, Japan, has made noteworthy contributions to the field of material science. His dedication and expertise in developing advanced coatings have led to significant advancements in the performance of steel sheets, particularly in challenging environmental conditions.
Latest Patents
Nagahisa holds a patent for a unique hot-dip galvanized steel sheet characterized by its zero-spangle feature. This innovative coating offers exceptional resistance to flaking in both high-temperature humid atmospheres and during long-term indoor aging. The patent outlines a coating composition comprising 0.1 to less than 0.2 wt % aluminum, 0.1-0.5 wt % antimony, with the remainder being zinc and unavoidable impurities. Notably, the total amount of unavoidable impurities other than iron, such as lead, cadmium, and tin, must be less than 0.02 wt %. The specified Sb/Pb ratio ranges from 10 to 250, and the aluminum in the coating exists in the form of an Al-Sb eutectic, enhancing the material’s properties.
Career Highlights
Currently, Mitsumasa Nagahisa is affiliated with Nippon Steel Corporation, where he continues to apply his expertise in metallurgy and material coatings. His work has not only contributed to the innovation of galvanized steel sheets but has also reinforced the commitment of Nippon Steel to producing high-quality materials for various applications.
Collaborations
Throughout his career, Nagahisa has collaborated with talented colleagues, including Yoshio Shindo and Teppei Tamura. These collaborations have fostered a vibrant environment of innovation, combining their collective expertise to push the boundaries of material technology.
Conclusion
Mitsumasa Nagahisa exemplifies the spirit of innovation through his impactful contributions to the development of advanced steel coatings. His patent highlights the importance of enhancing material performance in challenging conditions, paving the way for future advancements in steel technology. As he continues his work at Nippon Steel Corporation, the industry can look forward to further innovations stemming from his expertise and dedication.